Re: [ros-dev] [ros-diffs] [jimtabor] 54044: [Win32k] - Implement get atom name for user32.

[Timo Kreuzer]

Am 07.10.2011 15:56, schrieb [e-mail]:
> +DWORD
> +APIENTRY
> +NtUserGetAtomName(
> ATOM nAtom,
> PUNICODE_STRING pBuffer)
>
> +{
> DWORD Ret;
> UNICODE_STRING CapturedName = {0};
> UserEnterShared();
> _SEH2_TRY
> {
>  CapturedName = ProbeForReadUnicodeString(pBuffer);
>  Ret = IntGetAtomName((RTL_ATOM)nAtom, CapturedName.Buffer, (ULONG)CapturedName.Length);
> }
> _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
> {
>  Ret = 0;
> }
> _SEH2_END
> UserLeave();
> return Ret;
>
> +}

IntGetAtomName must not be called from inside SEH, if it throws you'll be left with a locked atom table.

Timo